<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>嵌入网页</title>
</head>
<body>
    <header>HTML教程</header>
    <nav>导航部分</nav>
    <main>
        <aside>
            <ol>
                <li><a target="maincont3"href="beiframe.html">beiframe</a></li>
            </ol>
        </aside>
        <article>
            <iframe
            name="maincont3"
            src="1.html"
            frameborder="1"
            width="600px"
            height="800px">
        </iframe>
        </article>
    </main>
    <footer>底部</footer>
</body>
</html>